<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" label-width="68px">
      <!-- <el-form-item label="商品种类" prop="gategoryId">
        <el-input
          v-model="queryParams.gategoryId"
          placeholder="请输入商品种类"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <el-form-item label="商品名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入商品名称"
          clearable
          size="small"
        />
      </el-form-item>
      <!-- <el-form-item label="上架时间" prop="addedTime">
        <el-date-picker clearable size="small" style="width: 200px"
          v-model="queryParams.addedTime"
          type="date"
          value-format="yyyy-MM-dd"
          placeholder="选择上架时间">
        </el-date-picker>
      </el-form-item> -->
      <!-- <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable size="small">
          <el-option label="请选择字典生成" value="" />
        </el-select>
      </el-form-item> -->
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:goods:add']"
        >新增</el-button>
      </el-col>
    </el-row>

    <el-table v-loading="loading" :data="goodsList" @selection-change="handleSelectionChange">
      <!-- <el-table-column type="selection" width="55" align="center" /> -->
      <el-table-column label="ID" align="center" prop="id" />
      <el-table-column label="商品名称" align="center" prop="name" />
      <el-table-column label="商品种类" align="center" prop="gategoryId" >
        <template slot-scope="scope">
          <span>{{ getCategoryName(scope.row.gategoryId)}}</span>
        </template>
      </el-table-column>
      <el-table-column label="代币类型" align="center" prop="exchangeType" >
        <template slot-scope="scope">
          <span>{{ scope.row.exchangeNumber +''+ getExchangeName(scope.row.exchangeType)}}</span>
        </template>
      </el-table-column>
      <el-table-column label="代币值" align="center" prop="exchangeNumber" />
      <el-table-column label="商品描述" align="center" prop="content" :show-overflow-tooltip="true"/>
      <el-table-column label="喜欢人数" align="center" prop="likes" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:goods:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:goods:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="40%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="120px">
        <el-form-item label="商品种类" prop="gategoryId">
          <el-select v-model="form.gategoryId" placeholder="请选择商品种类">
            <el-option v-for="item in goodsCategoryOptions" :key="item.id" :label="item.name" :value="item.id" />
          </el-select>
        </el-form-item>
        <el-form-item label="商品名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入商品名称" />
        </el-form-item>
        <el-form-item label="代币值" prop="exchangeNumber">
          <el-select v-model="form.exchangeType" placeholder="请选择代币类型">
            <el-option v-for="dict in exchangeOptions" :key="dict.dictValue" :label="dict.dictLabel" :value="dict.dictValue" />
          </el-select>
          <el-input-number v-model="form.exchangeNumber" placeholder="请输入代币值" />
        </el-form-item>
        <el-form-item label="商品图片" prop="goodsImage">
          <SingleUpload :avatar="form.goodsImage" @emitSetUrl="setUrl" />
        </el-form-item>
        <el-form-item label="每日限购" prop="maxBuy">
          <el-input-number v-model="form.maxBuy" placeholder="个" />
        </el-form-item>
        <el-form-item label="商品描述" prop="content">
          <el-input type="textarea" :rows="4" v-model="form.content" placeholder="请输入商品描述" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listGoods, getGoods, delGoods, addGoods, updateGoods, exportGoods } from "@/api/system/goods";
import { loadGoodsCategory } from "@/api/system/goodsCategory";
import SingleUpload from '@/components/Upload/SingleUpload'
export default {
  name: "Goods",
  components:{SingleUpload},
  data() {
    return {
      goodsCategoryOptions:[],
      exchangeOptions:[],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 总条数
      total: 0,
      // 商品表格数据
      goodsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        gategoryId: undefined,
        name: undefined,
        goodsImage: undefined,
        content: undefined,
        exchangeType: undefined,
        exchangeNumber: undefined,
        maxBuy: undefined,
        addedTime: undefined,
        createDate: undefined,
        status: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        gategoryId: [
          { required: true, message: "商品种类不能为空", trigger: "blur" }
        ],
        name: [
          { required: true, message: "商品名称不能为空", trigger: "blur" }
        ],
        goodsImage: [
          { required: true, message: "商品图片不能为空", trigger: "blur" }
        ],
        exchangeType: [
          { required: true, message: "代币类型不能为空", trigger: "blur" }
        ],
        exchangeNumber: [
          { required: true, message: "代币值不能为空", trigger: "blur" }
        ],
        maxBuy: [
          { required: true, message: "每日限购不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
    this.getDicts("exchange_type").then(response => {
      this.exchangeOptions = response.data;
    });
    loadGoodsCategory().then(res =>{
      this.goodsCategoryOptions = res.data
    })
  },
  methods: {
    getCategoryName(id){
      let name = ''
      this.goodsCategoryOptions.forEach(e=>{
        if(e.id === id){
          name = e.name
        }
      })
      return name
    },
    getExchangeName(id){
      let name = ''
      this.exchangeOptions.forEach(e=>{
        if(e.dictValue === id){
          name = e.dictLabel
        }
      })
      return name
    },
    setUrl(data){
      this.form.goodsImage = data.url
    },
    /** 查询商品列表 */
    getList() {
      this.loading = true;
      listGoods(this.queryParams).then(response => {
        this.goodsList = response.rows;
        this.total = parseInt(response.total);
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        gategoryId: undefined,
        name: undefined,
        goodsImage: undefined,
        content: undefined,
        exchangeType: undefined,
        exchangeNumber: undefined,
        maxBuy: 1,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!=1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加商品";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getGoods(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改商品";
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != undefined) {
            updateGoods(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              }
            });
          } else {
            addGoods(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              }
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除商品编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delGoods(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有商品数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportGoods(queryParams);
        }).then(response => {
          this.download(response.msg);
        }).catch(function() {});
    }
  }
};
</script>